1) I don't want to go out in the .........HOTTEST........ of the day (hot)
2) Scientists can ..PREDICT . when a volcano will erupt (prediction)

1) My sister spent two hours writting that essay yesterday
It. TOOK MY SISTER two hours TO write that essay yesterday
2) Sam works very hard so he often gets good marks
............Sam often gets good marks... Because ..................HE works very hard................